This product is suitable for electricity power engineering, hunting, mountain climbing, watching car race, and playing golf. Uses precise optics and digital technology to measure distances, brightened the view with higher definition, and longer measuring distance. High technique supported comes to stable measuring results, wear resistance with longer service time. Handy and portable, accurate speed and distance measurement, low deviation. Green mode and general mode for choosing, with this green mode, you can test the distance from you to the hole easily. Great accessory for various outdoor activities, youre worth it. Specifications: Condition: 100% Brand New and High Quality Material: ABS Color: Silver Magnification Times: 7 Resolution Ratio: 13 Size: Approx. 94 x 50 x 38mm/3.7 x 1.9 x 1.5 Eyepiece Diameter: Approx. 18mm/0.7 Objective Diameter: Approx. 12mm/0.47 Measurement Distance: 50 to 250 Yard Measurement Deviation: +/ to 2 Yard Farthest Test Range: 250 Yard Viewing Angle: 7.8 Power Supply: Built in 2 x CR2032 Button Cell Weight: Approx. 130g Packing List: 1 x Rangefinder 2 x Built in CR2032 Button Cell 1 x User Manual 1 x Sling 1 x Storage Bag Note: The unit of measurement of distance shown on it is as the same as you input. After 60 seconds of operation, the power will be turned off automatically.